Belly Below The Navel (around The Uterus) Tight. Is Pregnant?
Menstrual cycle can change every month. The normal menstrual cycle ranges from 21-35 days. So that the date of menstruation in each month can change.
From the circumstances that you experience, if you have riwauyat sex, then maybe pregnancy can occur. But signs such as a tight stomach, and feeling a heartbeat in the stomach are not a sign of pregnancy. In early pregnancy, the fetal heartbeat cannot be felt. If you feel like something is beating it is your own vein.
Even if ejaculation does not occur, having sex can still potentially lead to pregnancy. Sperm cells can be found in the prejaculatory fluid.
Therefore, to determine the cause of your condition, you should do a test pack first, yes, if up to 1 week later you don't have your period. Do a test pack using urine in the morning.
But apart from that late menstruation can also be caused by other causes such as:
normal menstrual cycle (remember that a normal menstrual cycle can reach 35 days) excess stress ovarian cyst myoma uteri, therefore, to determine the cause of the condition you are experiencing, then do a test pack yes 1 week later if you don't have menstruation. You can also see a doctor if you are in doubt.
The following articles you can read about early signs of pregnancy
may be useful. Thank you